<?php
/**
 * PHPExcel
 *
 * Copyright (c) 2006 - 2011 PHPExcel
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * @category   PHPExcel
 * @package    PHPExcel_Shared
 * @copyright  Copyright (c) 2006 - 2011 PHPExcel (http://www.codeplex.com/PHPExcel)
 * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt    LGPL
 * @version    1.7.6, 2011-02-27
 */


/**
 * PHPExcel_Shared_CodePage
 *
 * @category   PHPExcel
 * @package    PHPExcel_Shared
 * @copyright  Copyright (c) 2006 - 2011 PHPExcel (http://www.codeplex.com/PHPExcel)
 */
class PHPExcel_Shared_CodePage
{
    /**
     * Convert Microsoft Code Page Identifier to Code Page Name which iconv
     * and mbstring understands
     *
     * @param int $number Microsoft Code Page Indentifier
     * @return string Code Page Name
     * @throws Exception
     */
    public static function NumberToName($codePage = '1252')
    {
        switch ($codePage) {
            case 367:    return 'ASCII';        break;    //    ASCII
            case 437:    return 'CP437';        break;    //    OEM US
            case 720:    throw new Exception('Code page 720 not supported.');
                                            break;    //    OEM Arabic
            case 737:    return 'CP737';        break;    //    OEM Greek
            case 775:    return 'CP775';        break;    //    OEM Baltic
            case 850:    return 'CP850';        break;    //    OEM Latin I
            case 852:    return 'CP852';        break;    //    OEM Latin II (Central European)
            case 855:    return 'CP855';        break;    //    OEM Cyrillic
            case 857:    return 'CP857';        break;    //    OEM Turkish
            case 858:    return 'CP858';        break;    //    OEM Multilingual Latin I with Euro
            case 860:    return 'CP860';        break;    //    OEM Portugese
            case 861:    return 'CP861';        break;    //    OEM Icelandic
            case 862:    return 'CP862';        break;    //    OEM Hebrew
            case 863:    return 'CP863';        break;    //    OEM Canadian (French)
            case 864:    return 'CP864';        break;    //    OEM Arabic
            case 865:    return 'CP865';        break;    //    OEM Nordic
            case 866:    return 'CP866';        break;    //    OEM Cyrillic (Russian)
            case 869:    return 'CP869';        break;    //    OEM Greek (Modern)
            case 874:    return 'CP874';        break;    //    ANSI Thai
            case 932:    return 'CP932';        break;    //    ANSI Japanese Shift-JIS
            case 936:    return 'CP936';        break;    //    ANSI Chinese Simplified GBK
            case 949:    return 'CP949';        break;    //    ANSI Korean (Wansung)
            case 950:    return 'CP950';        break;    //    ANSI Chinese Traditional BIG5
            case 1200:    return 'UTF-16LE';    break;    //    UTF-16 (BIFF8)
            case 1250:    return 'CP1250';    break;    //    ANSI Latin II (Central European)
            case 1251:    return 'CP1251';    break;    //    ANSI Cyrillic
            case 0:                                    //    CodePage is not always correctly set when the xls file was saved by Apple's Numbers program
            case 1252:    return 'CP1252';    break;    //    ANSI Latin I (BIFF4-BIFF7)
            case 1253:    return 'CP1253';    break;    //    ANSI Greek
            case 1254:    return 'CP1254';    break;    //    ANSI Turkish
            case 1255:    return 'CP1255';    break;    //    ANSI Hebrew
            case 1256:    return 'CP1256';    break;    //    ANSI Arabic
            case 1257:    return 'CP1257';    break;    //    ANSI Baltic
            case 1258:    return 'CP1258';    break;    //    ANSI Vietnamese
            case 1361:    return 'CP1361';    break;    //    ANSI Korean (Johab)
            case 10000:    return 'MAC';        break;    //    Apple Roman
            case 32768:    return 'MAC';        break;    //    Apple Roman
            case 32769:    throw new Exception('Code page 32769 not supported.');
                                            break;    //    ANSI Latin I (BIFF2-BIFF3)
            case 65001:    return 'UTF-8';        break;    //    Unicode (UTF-8)
        }

        throw new Exception('Unknown codepage: ' . $codePage);
    }

}
